NBN 738-1970
The bottom of the cylindrical body that is not fixed by braces under the action of internal pressure

Standard No.

NBN 738-1970

Release Date

1970

Published By

BE-NBN

Latest

NBN 738-1970

NBN 738-1970 history

• 1970 NBN 738-1970 The bottom of the cylindrical body that is not fixed by braces under the action of internal pressure